Port St. Joe, FL

Climate overview — based on NOAA 1991-2020 normals from APALACHICOLA AP, FL US.

Cfa Humid subtropical climate 9b USDA hardiness Zone 9b

Year-round temperatures (°F)

40° 50° 60° 70° 80° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Port St. Joe has an annual average temperature of 69.1°F with about 53.1 inches of precipitation per year. The warmest month is July (average high 89.7°F), and the coldest is January (average low 44.4°F). August is typically the wettest month (7.79 in) and May the driest (1.87 in).

Pleasant months
3 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
28.2°F
warmest to coldest month
Heating need
1,017
Cooling need
2,487

Best time to visit Port St. Joe

Full guide →

Climate change signal

All-time records →

163 of 366 (44.5%) of Port St. Joe's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1990s
33
2000s
110
2010s
156
2020s
67

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 63.7°F 44.4°F 54.0°F 4.06 in 10
February 66.3°F 47.4°F 56.8°F 4.17 in 9
March 70.9°F 52.5°F 61.7°F 4.34 in 8
April 76.3°F 58.2°F 67.3°F 2.91 in 7
May 83.7°F 65.9°F 74.8°F 1.87 in 6
June 88.5°F 72.8°F 80.7°F 5.86 in 11
July 89.7°F 74.7°F 82.2°F 5.74 in 15
August 89.4°F 75.0°F 82.2°F 7.79 in 15
September 86.7°F 71.6°F 79.2°F 5.38 in 12
October 80.7°F 62.3°F 71.5°F 3.63 in 8
November 72.5°F 51.7°F 62.1°F 3.74 in 9
December 66.0°F 47.1°F 56.5°F 3.59 in 10

Climate twins of Port St. Joe

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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